CN101589401B - 使用傅里叶变换的形状表示 - Google Patents

使用傅里叶变换的形状表示 Download PDF

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Publication number
CN101589401B
CN101589401B CN2008800023928A CN200880002392A CN101589401B CN 101589401 B CN101589401 B CN 101589401B CN 2008800023928 A CN2008800023928 A CN 2008800023928A CN 200880002392 A CN200880002392 A CN 200880002392A CN 101589401 B CN101589401 B CN 101589401B
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boundary
theta
sigma
cos
iris
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Chinese (zh)
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CN101589401A (zh
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唐纳德·马丁·门罗
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Brain Storm International Services Ltd
Fotonation Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/18—Eye characteristics, e.g. of the iris
    • G06V40/193—Preprocessing; Feature extraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G06V10/478—Contour-based spectral representations or scale-space representations, e.g. by Fourier analysis, wavelet analysis or curvature scale-space [CSS]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Human Computer Interaction (AREA)
  • Collating Specific Patterns (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
CN2008800023928A 2007-01-17 2008-01-15 使用傅里叶变换的形状表示 Active CN101589401B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/654,496 US8055074B2 (en) 2007-01-17 2007-01-17 Shape representation using fourier transforms
US11/654,496 2007-01-17
PCT/EP2008/050370 WO2008087127A1 (en) 2007-01-17 2008-01-15 Shape representation using fourier transforms

Publications (2)

Publication Number Publication Date
CN101589401A CN101589401A (zh) 2009-11-25
CN101589401B true CN101589401B (zh) 2013-04-10

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Family Applications (1)

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CN2008800023928A Active CN101589401B (zh) 2007-01-17 2008-01-15 使用傅里叶变换的形状表示

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US (1) US8055074B2 (https=)
EP (1) EP2104908B1 (https=)
JP (1) JP2010517126A (https=)
CN (1) CN101589401B (https=)
ES (1) ES2393260T3 (https=)
PL (1) PL2104908T3 (https=)
WO (1) WO2008087127A1 (https=)
ZA (1) ZA200905324B (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9846739B2 (en) 2006-10-23 2017-12-19 Fotonation Limited Fast database matching
US7809747B2 (en) * 2006-10-23 2010-10-05 Donald Martin Monro Fuzzy database matching
US20100278394A1 (en) * 2008-10-29 2010-11-04 Raguin Daniel H Apparatus for Iris Capture
US8317325B2 (en) 2008-10-31 2012-11-27 Cross Match Technologies, Inc. Apparatus and method for two eye imaging for iris identification
US8577094B2 (en) 2010-04-09 2013-11-05 Donald Martin Monro Image template masking
JP4893862B1 (ja) * 2011-03-11 2012-03-07 オムロン株式会社 画像処理装置、および画像処理方法
JP4893863B1 (ja) * 2011-03-11 2012-03-07 オムロン株式会社 画像処理装置、および画像処理方法
TWI471808B (zh) * 2012-07-20 2015-02-01 Pixart Imaging Inc 瞳孔偵測裝置
US9854159B2 (en) 2012-07-20 2017-12-26 Pixart Imaging Inc. Image system with eye protection
JP6497162B2 (ja) * 2015-03-26 2019-04-10 オムロン株式会社 画像処理装置および画像処理方法
KR20190107738A (ko) * 2017-05-11 2019-09-20 주식회사 룩시드랩스 이미지 처리 장치 및 방법
US12284058B2 (en) * 2022-06-16 2025-04-22 Samsung Electronics Co., Ltd. Self-tuning fixed-point least-squares solver

Citations (2)

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US6801661B1 (en) * 2001-02-15 2004-10-05 Eastman Kodak Company Method and system for archival and retrieval of images based on the shape properties of identified segments
CN1577723A (zh) * 2003-06-27 2005-02-09 株式会社东芝 图形处理方法与装置

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US6714665B1 (en) * 1994-09-02 2004-03-30 Sarnoff Corporation Fully automated iris recognition system utilizing wide and narrow fields of view
US6144754A (en) * 1997-03-28 2000-11-07 Oki Electric Industry Co., Ltd. Method and apparatus for identifying individuals
KR20050025927A (ko) 2003-09-08 2005-03-14 유웅덕 홍채인식을 위한 동공 검출 방법 및 형상기술자 추출방법과 그를 이용한 홍채 특징 추출 장치 및 그 방법과홍채인식 시스템 및 그 방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6801661B1 (en) * 2001-02-15 2004-10-05 Eastman Kodak Company Method and system for archival and retrieval of images based on the shape properties of identified segments
CN1577723A (zh) * 2003-06-27 2005-02-09 株式会社东芝 图形处理方法与装置

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
COSTA L DA F.Estimating derivatives and curvature of open curves.《PATTERN RECOGNITION》.ELSEVIER Science Ltd.,2002,第35卷(第11期),第2445-2451页. *
COSTA L DA F.Estimating derivatives and curvature of open curves.《PATTERN RECOGNITION》.ELSEVIER Science Ltd。,2002,第35卷(第11期),第2445-2451页.
EL OIRRAK A ET AL.Affine invariant descriptors using Fourier series.《PATTERN RECOGNITION LETTERS 23》.ELSEVIER, AMSTERDAM, NL,2002,第1109-1118页. *
HARRY J.WYATT.The Form of the Human Pupil.《VISION RESEARCH》.Elsevier Science Ltd,1995,第35卷(第14期),第2021-2036页. *
NIEMEL L P W ET AL.A NOVEL DESCRIPTION OF HANDWRITTE CHARACTERS FOR USE WITH GENERALISED FOURIER DESCRIPTORS.《EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS AND RELATED TECHNOLOGIES》.AEI, MILANO, IT,1992,第3卷(第5期),第455-464页.
NIEMEL L P W ET AL.A NOVEL DESCRIPTION OF HANDWRITTE CHARACTERS FOR USE WITH GENERALISED FOURIER DESCRIPTORS.《EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS AND RELATED TECHNOLOGIES》.AEI, MILANO, IT,1992,第3卷(第5期),第455-464页. *
SAIT SENER ET AL.Affine invariant fitting of algebraic curves using Fourier descriptors.《PATTERN ANALYSIS AND APPLICATIONS》.2005,第8卷(第1-2期),第72-83页. *

Also Published As

Publication number Publication date
US20080170760A1 (en) 2008-07-17
CN101589401A (zh) 2009-11-25
US8055074B2 (en) 2011-11-08
ZA200905324B (en) 2011-05-25
ES2393260T3 (es) 2012-12-19
JP2010517126A (ja) 2010-05-20
EP2104908A1 (en) 2009-09-30
EP2104908B1 (en) 2012-06-27
WO2008087127A1 (en) 2008-07-24
PL2104908T3 (pl) 2012-11-30

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